Survey for Adventive Populations of the Samurai Wasp, (Hymenoptera: Scelionidae) in Pennsylvania at Commercial Fruit Orchards and the Surrounding Forest.

The samurai wasp, (Ashmead) (Hymenoptera: Scelionidae), is an egg parasitoid associated with the brown marmorated stink bug, (Stål) (Hemiptera: Pentatomidae). is a candidate for classical biological control of populations. Since 2014, adventive populations of have been detected in 14 US states, in the Canadian provinces of British Columbia and Ontario, and in two European countries, Switzerland and Italy.